Senior Data Engineer - Outside Contract - Data Migration

Now, the business needs a hands-on Senior Data Engineer to take over from the consultancy, complete the migration, and build out the new reporting landscape.

You'll be stepping into a role where you are the sole Data Engineer - a genuine "one-person army" - with full ownership to design, refine, and deliver a best-in-class data reporting environment.

What You'll Do

• Take ownership of a partially migrated AWS reporting ecosystem and finish the build-out.
• Rewrite, optimise, and modernise existing reports for the new architecture.
• Build new reports, validation rules, and data quality frameworks.
• Extend and enhance the ETL processes across Python, Lambda, and Glue.
• Improve system performance including caching, optimisation, and observability.
• Work closely with the CTO to understand historical architecture and current business needs.
• Ensure strong data quality, reliability, and performance across all pipelines.

• Strong, hands-on data engineering experience in AWS (Redshift, Lambda, Glue essential).
• Excellent Python skills and experience building scalable ETL processes.
• Skilled in SQL and working with large datasets.
• Experience creating modern reporting solutions end-to-end.
• A track record of improving or rebuilding systems from scratch.
• Strong communication skills - must be a confident UK-based professional able to work closely with senior stakeholders.

If you're interested in being a one-person Powerhouse who completes a major AWS migration and builds a new reporting ecosystem from scratch, please apply with an up to date CV.

£500 per day. Outside IR35. 6-month rolling (12-18 months of work)

The company was founded in 2015 and began operating in 2018. As part of its evolution, the CTO has overseen the initial build of a Legacy reporting application which is no longer fit for purpose. An external consultancy has already helped migrate the foundations to a modern AWS-based data stack (Redshift, Lambda, Glue)., Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.